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Committee Approval Date:

Order & Observations: Pending (target Thursday, March 5, 2020 )- Minutes: 2020-03-05 - Main

Publishing Lead:

Keith Boone

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The HL7 V2 to FHIR Implementation Guide supports the mapping of HL7 Version 2 messages segments, datatypes and vocabulary to HL7 FHIR Release 4.0 Bundles, Resources, Data Types and Coding Systems.

Long Description:

This implementation guide provides the mappings of HL7 Version 2 messages segments, datatypes and vocabulary to HL7 FHIR Release 4.0 Bundles, Resources, Data Types and Coding System, as well as the FHIR Concept Maps and references to the Mapping Spreadsheets used to edit and generate the downloadable content, and any additional information and material to support validation and testing of implementations.

This guide is organized into six main sections:

  1. Introduction
    This section provides an overview of the project, and explains how mapping is performed.

  2. Mapping Guidelines
    This section provides the rules and guidelines used to document the mappings such as identification of each HL7 v2 element with a mapping, the conditions under which the HL7 v2 element may map to one or more HL7 FHIR components, as well references to more specific mappings considering context, e.g., when to map PID data to Patient vs. RelatedPerson, or a CWE encoded element to either CodeableConcept, Coding, or code.

  3. Mappings
    This section provides an index to the mappings produced by this project, organized by message, segment, datatype, or vocabulary mapping.

  4. Implementation and Use
    This section covers implementation considerations and validation, and provides example test conversions.

  5. Profiles
    This section provides the profiles for the HL7 FHIR ConceptMap that describes the data maintained in Concept Maps for each of the message, segment, data type, and vocabulary mapping, as well as a profile for HL7 FHIR Bundle that establishes the basic structure/content of a HL7 FHIR message resulting from an HL7 v2 message.
  6. Downloads
    This section provides downloadable content of the entire guide, specific mappings, and examples in either json, xml, ttl, or csv format. 

Involved parties:

HL7 workgroups that own HL7 v2 chapters, primarly OO, PA, FM, and InM, 

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